| Index | Muskego | Wisconsin | National |
| Average Test Scores | 66% | 41% | 48% |
| Student/Teacher ratio | 16:1 | 14:1 | 16:1 |
| Total public schools | 7 | 1,869 | 79,221 |
| Total private schools | 2 | 872 | 24,874 |
| Total post-secondary schools | n/a | 114 | 7,963 |

| Index | Muskego | Wisconsin | National |
| Completed 8th grade | 95.0% | 89.0% | 84.3% |
| Completed high school | 94.4% | 87.8% | 83.0% |
| Completed some college | 66.3% | 59.7% | 59.4% |
| Completed associate degree | 43.3% | 38.7% | 38.5% |
| Completed bachelors | 33.5% | 28.4% | 30.3% |
| Completed masters | 9.9% | 9.6% | 11.5% |
| Completed professional degree | 2.7% | 2.7% | 3.3% |
| Completed doctorate | 1.2% | 1.1% | 1.3% |
There are a total of 7 public schools, 2 private schools and n/a post-secondary schools in Muskego. Using the proficiency score averages, the average test scores for Muskego, WI schools is 66%. The average student to teacher ratio is 16:1. In Muskego, WI, an average of 95.0% of students have completed 8th grade and an average of 94.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| North Prairie, WI | 2,635 | 72% | 49.0% |
| Elm Grove, WI | 6,322 | 69% | 44.3% |
| Hartland, WI | 9,580 | 69% | 44.0% |
| Whitefish Bay, WI | 14,209 | 67% | 38.8% |
| Brookfield, WI | 39,415 | 65% | 35.4% |
| Muskego, WI | 25,672 | 66% | 38.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Decatur, GA | 25,677 | 38% | 20.8% |
| Ardmore, OK | 25,666 | 32% | 33.4% |
| Fountain Hills, AZ | 25,686 | 56% | 15.6% |
| Burlington, IA | 25,653 | 52% | 7.4% |
| Paducah, KY | 25,703 | 54% | 12.6% |
| Muskego, WI | 25,672 | 66% | 38.1% |